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<html lang="en">
    <head>
        <meta charset="UTF-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge" />
        <meta name="viewport" content="width=device-width, initial-scale=1.0" />
        <title>Document</title>
        <!-- 1.1、引入vue.js -->
        <script src="../js/vue2-dev.js"></script>
    </head>
    <body>
        <!-- 1.2、创建root容器 -->
        <div id="root"></div>
    </body>
    <!-- 1.3、引入入口js -->
    <script src="./main.js"></script>
</html>
